Microbiology Midterm Exam Question
& Answers ( Latest 2025 )
Define Micro- - CORRECT ANSWERS ✔✔Less than
1mm and cannot see with the naked eye
Need a microscope to see
Microbes, microorganisms, germs, bugs
What are the 5 groups of microorganisms studied? -
CORRECT ANSWERS ✔✔Bacteria--most famous
Virus--2nd
Fungus--3rd
Protozoa--some but few
Algae--not a human pathogen
What generates 1/2 of the O2 that we breathe and would
make life impossible without? - CORRECT ANSWERS
✔✔Microbes
What is the smallest simplest single-celled organism? -
CORRECT ANSWERS ✔✔Bacteria
What is not a cell, can't live by itself and needs to invade
a cell? - CORRECT ANSWERS ✔✔Virus
,Microbiology Midterm Exam Question
& Answers ( Latest 2025 )
What are the two different classification of fungus? -
CORRECT ANSWERS ✔✔Molds and yeast--micro
Mushrooms--Macro
What is a mostly single-celled organism that is Animal
like? - CORRECT ANSWERS ✔✔Protozoa
What are parasites? - CORRECT ANSWERS
✔✔Different organisms that range from worms, insects
and protozoa that need a host to survive
What are the different applied microbiology fields of study
- CORRECT ANSWERS ✔✔Immunology
Epidemiology--control spread of disease
Food Micro--relationship between bacteria, food and drink
Agriculture Micro--relationship between bacteria and crop
Industrial Micro--microbes to produce vitamins, AA,
Enzymes, etc.
Eukaryotic cells are... - CORRECT ANSWERS ✔✔more
complete
,Microbiology Midterm Exam Question
& Answers ( Latest 2025 )
Prokaryotic cells are... - CORRECT ANSWERS ✔✔all
micro organisms and lack a nucleus
Characteristics of microorganisms - CORRECT ANSWERS
✔✔Small size
Unicellular simplicity
High Growth rate
Adaptability
microscope - CORRECT ANSWERS ✔✔instrument used
for enlargement of small objects
simple microscope - CORRECT ANSWERS ✔✔single
lens and a few working parts. not strong
compound microscope - CORRECT ANSWERS ✔✔2
magnifying lenses, a visible light sours, a condenser
which collects light to direct toward the object
magnification - CORRECT ANSWERS ✔✔capacity of an
optical system to enlarge small objects
, Microbiology Midterm Exam Question
& Answers ( Latest 2025 )
ocular lens - CORRECT ANSWERS ✔✔one we look
through. 10X
objective lens - CORRECT ANSWERS ✔✔4 different,
4X, 10X, 40X, 100X
What is resoltion? - CORRECT ANSWERS ✔✔Capacity
of optical systems to distinguish or separate 2 adjacent
objects/points from each other. represents clarity of
image
Types of microscope? - CORRECT ANSWERS ✔✔Light--
visible light, bright field, dark field, phase contrast, diff
interference
Ultraviolet--florescence
Electron--scanning, transmission
what type of microscope do we use in the lab? -
CORRECT ANSWERS ✔✔bright field light microscope
how does a microscope work? - CORRECT ANSWERS
✔✔light source is on the bottom. The light travels from
the lamp, hits the condenser lents which collects light
and points it toward the object. the light passes through
& Answers ( Latest 2025 )
Define Micro- - CORRECT ANSWERS ✔✔Less than
1mm and cannot see with the naked eye
Need a microscope to see
Microbes, microorganisms, germs, bugs
What are the 5 groups of microorganisms studied? -
CORRECT ANSWERS ✔✔Bacteria--most famous
Virus--2nd
Fungus--3rd
Protozoa--some but few
Algae--not a human pathogen
What generates 1/2 of the O2 that we breathe and would
make life impossible without? - CORRECT ANSWERS
✔✔Microbes
What is the smallest simplest single-celled organism? -
CORRECT ANSWERS ✔✔Bacteria
What is not a cell, can't live by itself and needs to invade
a cell? - CORRECT ANSWERS ✔✔Virus
,Microbiology Midterm Exam Question
& Answers ( Latest 2025 )
What are the two different classification of fungus? -
CORRECT ANSWERS ✔✔Molds and yeast--micro
Mushrooms--Macro
What is a mostly single-celled organism that is Animal
like? - CORRECT ANSWERS ✔✔Protozoa
What are parasites? - CORRECT ANSWERS
✔✔Different organisms that range from worms, insects
and protozoa that need a host to survive
What are the different applied microbiology fields of study
- CORRECT ANSWERS ✔✔Immunology
Epidemiology--control spread of disease
Food Micro--relationship between bacteria, food and drink
Agriculture Micro--relationship between bacteria and crop
Industrial Micro--microbes to produce vitamins, AA,
Enzymes, etc.
Eukaryotic cells are... - CORRECT ANSWERS ✔✔more
complete
,Microbiology Midterm Exam Question
& Answers ( Latest 2025 )
Prokaryotic cells are... - CORRECT ANSWERS ✔✔all
micro organisms and lack a nucleus
Characteristics of microorganisms - CORRECT ANSWERS
✔✔Small size
Unicellular simplicity
High Growth rate
Adaptability
microscope - CORRECT ANSWERS ✔✔instrument used
for enlargement of small objects
simple microscope - CORRECT ANSWERS ✔✔single
lens and a few working parts. not strong
compound microscope - CORRECT ANSWERS ✔✔2
magnifying lenses, a visible light sours, a condenser
which collects light to direct toward the object
magnification - CORRECT ANSWERS ✔✔capacity of an
optical system to enlarge small objects
, Microbiology Midterm Exam Question
& Answers ( Latest 2025 )
ocular lens - CORRECT ANSWERS ✔✔one we look
through. 10X
objective lens - CORRECT ANSWERS ✔✔4 different,
4X, 10X, 40X, 100X
What is resoltion? - CORRECT ANSWERS ✔✔Capacity
of optical systems to distinguish or separate 2 adjacent
objects/points from each other. represents clarity of
image
Types of microscope? - CORRECT ANSWERS ✔✔Light--
visible light, bright field, dark field, phase contrast, diff
interference
Ultraviolet--florescence
Electron--scanning, transmission
what type of microscope do we use in the lab? -
CORRECT ANSWERS ✔✔bright field light microscope
how does a microscope work? - CORRECT ANSWERS
✔✔light source is on the bottom. The light travels from
the lamp, hits the condenser lents which collects light
and points it toward the object. the light passes through
